Withdrawn: 7904137: JOL: Improve heap dump parsing speed

Wed Jan 21 15:38:10 UTC 2026

On Wed, 21 Jan 2026 15:09:30 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> JOL is often used to parse large heap dumps, and it would be good to see if there are simple opportunities in speeding up the heap dump reader. This change lifts up `heapdump-estimates` speed from 800 MB/sec to 1600 MB/sec on my machines.

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/jol/pull/68